Postdoctoral Experimental Physicists

Join us and make YOUR mark on the World!

Lawrence Livermore National Laboratory (LLNL) has turned bold ideas into world-changing impact advancing science and technology to strengthen U.S. security and promote global stability. 

Our mission spans four critical national security areas nuclear deterrence, threat preparedness, energy security, and multi-domain defense empowering teams to take on the toughest challenges of today and tomorrow. With a culture built on innovation and operational excellence, LLNL is a place where your expertise can make a real impact.

We have openings for Postdoctoral Experimental Physicists to independently execute experiments and/or to develop instrumentation in support of the National Ignition Facility (NIF) and OMEGA laser-matter research. You will plan, design, execute and oversee experiments in the fields of laser-plasma interactions, hydrodynamics, radiation transport, implosion physics, material strength and nuclear physics. These positions are in the High Energy Density (HED) Scientific & Technology (S&T) Program within the National Ignition Facility and Photon Science (NIF & PS) Principal Associate Directorate (PAD).

In this role, you will

• Research, design and execute x-ray and laser driven experiments at NIF, at the OMEGA Laser Facility, and at the on-site Jupiter Laser Facility.
• Design, field, and coordinate optical, x-ray and nuclear diagnostics.
• Prepare and present technical and scientific reports, presentations, and publications for both internal and external audiences, including the DOE community and at conferences.
• Collaborate with scientists and researchers to achieve research objectives.
• Coordinate team resources and plan experimental campaigns.
• Pursue independent, complementary research interests and engage with a wide range of scientists both within and outside the laboratory.
• Perform other duties as assigned.

• PhD in plasma physics, hydrodynamics, shock physics, spectroscopy, condensed matter, nuclear physics, dynamic material science, or a related discipline.
• Experience in experimental physics in one or more of the following areas: laser-plasma interactions, hydrodynamics, radiation-driven hydrodynamics, radiation transport, condensed matter, nuclear physics, or high energy density experiments.
• Comprehensive analytical, experimental, and problem-solving skills.
• Experience with x-ray, optical, charged particle, or nuclear diagnostics, including their development, calibration, or fielding,  and associated analysis techniques.
• Proficient written and verbal communication skills to author technical and scientific reports, publications, and invited papers, and deliver scientific presentations.
• Effective interpersonal skills necessary to collaborate and work in a team environment.
• Ability to perform independent research.

Qualifications We Desire

• Experience with lasers, pulsed-power sources, high-density plasma interactions, and/or conducting high energy density experiments.

Pay Range

$118,594 - $131,174 Annually

This is the lowest to highest salary we in good faith believe we would pay for this role at the time of this posting.  An employee’s position within the salary range will be based on several factors including, but not limited to, specific competencies, relevant education, qualifications, certifications, experience, skills, seniority, geographic location, performance, and business or organizational needs.

#LI-Onsite

Position Information

This is a Postdoctoral appointment with the possibility of extension to a maximum of three years, open to those who have been awarded a PhD at time of hire date.

Why Lawrence Livermore National Laboratory?

• Included in 2026 Best Places to Work by Glassdoor!
• Flexible Benefits Package
• 401(k)
• Relocation Assistance
• Education Reimbursement Program
• Flexible schedules (*depending on project needs)
• Our values - visit https://www.llnl.gov/inclusion/our-values

Security Clearance

None required.  However, if your assignment is longer than 179 days cumulatively within a calendar year, you must go through the Personal Identity Verification process.  This process includes completing an online background investigation form and receiving approval of the background check.  

National Defense Authorization Act (NDAA)

The 2025 National Defense Authorization Act (NDAA), Section 3112, generally prohibits citizens of China, Russia, Iran and North Korea without dual US citizenship or legal permanent residence from accessing specific non-public areas of national security or nuclear weapons facilities.  The restrictions of NDAA Section 3112 apply to this position.  To be qualified for this position, Candidates must be eligible to access the Laboratory in compliance with Section 3112.

Pre-Employment Drug Test

External applicant(s) selected for this position must pass a post-offer, pre-employment drug test. This includes testing for use of marijuana as Federal Law applies to us as a Federal Contractor.

Wireless and Medical Devices

Per the Department of Energy (DOE), Lawrence Livermore National Laboratory must meet certain restrictions with the use and/or possession of mobile devices in Limited Areas. Depending on your job duties, you may be required to work in a Limited Area where you are not permitted to have a personal and/or laboratory mobile device in your possession.  This includes, but not limited to cell phones, tablets, fitness devices, wireless headphones, and other Bluetooth/wireless enabled devices.  

If you use a medical device, which pairs with a mobile device, you must still follow the rules concerning the mobile device in individual sections within Limited Areas.  Sensitive Compartmented Information Facilities require separate approval. Hearing aids without wireless capabilities or wireless that has been disabled are allowed in Limited Areas, Secure Space and Transit/Buffer Space within buildings.

How to identify fake job advertisements

Please be aware of recruitment scams where people or entities are misusing the name of Lawrence Livermore National Laboratory (LLNL) to post fake job advertisements. LLNL never extends an offer without a personal interview and will never charge a fee for joining our company. All current job openings are displayed on the Career Page under “Find Your Job” of our website. If you have encountered a job posting or have been approached with a job offer that you suspect may be fraudulent, we strongly recommend you do not respond.

To learn more about recruitment scams: https://www.llnl.gov/sites/www/files/2023-05/LLNL-Job-Fraud-Statement-Updated-4.26.23.pdf

Equal Employment Opportunity

We are an equal opportunity employer that is committed to providing all with a work environment free of discrimination and harassment. All qualified applicants will receive consideration for employment without regard to race, color, religion, marital status, national origin, ancestry, sex, sexual orientation, gender identity, disability, medical condition, pregnancy, protected veteran status, age, citizenship, or any other characteristic protected by applicable laws.

Reasonable Accommodation

Our goal is to create an accessible and inclusive experience for all candidates applying and interviewing at the Laboratory.  If you need a reasonable accommodation during the application or the recruiting process, please use our online form to submit a request. 

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The California Consumer Privacy Act (CCPA) grants privacy rights to all California residents. The law also entitles job applicants, employees, and non-employee workers to be notified of what personal information LLNL collects and for what purpose. The Employee Privacy Notice can be accessed here.